Re: [Thinkpad] kernel 2.6.10 and ultrabay

Hello Jerome,

Someone here on the TP list may be able to offer an answer to your
question. If they don't, there is another valuable resource for Linux
on ThinkPads at http://www.linux-thinkpad.org/. Just offering another
avenue for you...

Later,
Rob

Jerome wrote:

> Kernel 2.6.10 came with Santa with lots of nice improvements for
> Thinkpads (most for ACPI) including support for ultrabay hotswapping
> (swapping ide CDrom and HD for instance).
> Previously, the "normal" behaviour was :
> . the thinkpad starts beeping when you remove the device after
> running hotswap and would never stop until you plug it back in (APM
> version)
> . you can safely remove the present device, but the inserted one is not
> "detected" or at least handled properly. HD are handled by ide-generic
> and not ide-disk so no DMA options are possible and access is slow, etc
> (ACPI version)
>
> 2.6.10 should allow us to swap device. However, it seems that hotswap is
> unable to deregister the device properly. Any feedback about how to use
> this ACPI improvement ?
>
> PS: I have 2 R40, supported, laptops.
>
> Links : /usr/src/linux-2.6.10/Documentation/ibm-acpi.txt
> http://ibm-acpi.sf.net
>
_______________________________________________
Thinkpad mailing list
Thinkpad@stderr.org
http://stderr.org/cgi-bin/mailman/listinfo/thinkpad
Received on Wed Jan 5 19:50:59 2005